Câu hỏi: A hydroelectric dam ______________ in this area now.

A. is building

B. is being built

C. build

D. was built

Câu 1: What about ___________ the solution together this afternoon?

A. find

B. finding

C. to find

D. to finding

Câu 2: I was ...... to find that the film was quite ……

A. surprised - frightening

B. surprised - frightened

C. surprising - frightening

D. surprising – frightened

Câu 3: I would like to send these letters …………………..air mail.

A. in

B. with

C. by

D. over

Câu 4: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved

Câu 5: The film _______ by the time we ________ to the cinema.

A. already began - got

B. have already begun - got

C. had already begun - got

D. already began - had got

Câu 6: The waste from the chemical factory is extremely .......

A. harm

B. harmful

C. unharmed

D. harmless